2021 Chevrolet Tahoe Pre-Purchase Inspection Checklist
Known Issues — 2021 Chevrolet Tahoe
CRITICAL
AFM lifter failure on 5.3L — new platform still affected
MODERATE
First-year production issues — multiple TSBs
MODERATE
Air ride suspension complexity increases failure risk
MODERATE
Infotainment system bugs in early software
MODERATE
Diesel 3.0L reliability data still accumulating
What to Inspect
- Listen for AFM lifter tick on 5.3L
- Test air ride suspension
- Test diesel if equipped
- Test infotainment with latest software
- Check for first-year TSBs
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil change (5.3L V8) | every 7,500 miles | $80-$110 |
| Oil change (3.0L diesel) | every 7,500 miles | $100-$150 |
| Transmission fluid | every 45,000 miles | $130-$200 |
| Spark plugs | every 100,000 miles | $150-$250 |
| Air suspension service | as needed | $500-$2,000 |
| Transfer case fluid | every 60,000 miles | $80-$130 |
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